Safety Information- Take care when removing from the microwave oven, the eye mask may be very hot. To avoid frostbite or burns, set it aside until it reaches a temperature your skin can tolerate. DO NOT apply on sensitive skin or on open wounds. DO NOT apply on people unable to follow all the instructions. DO NOT overheat. DO NOT apply pressure. If the eye mask contents come in contact with your eyes, remove the mask, rinse affected area with water and seek professional assistance immediately. ✓Free returns- We take pride in our outstanding customer service. If you do not like this eye mask, feel free to return within 30 days of receipt. Please get in touch with us for any inquiries or concerns. Zenya eye mask for puffy eyes has a 12-month warranty if there is any problem about the product, please contact us and we will provide replacement or full refund without worrying. ✓Luxury Spa at Home- create a relaxing environment with your favourite music, choose a scent you enjoy, apply the relaxing eye mask and lie down. For stress and migraine relief apply a mild mint oil under your nostrils. ✓Reversible Design- both sides of this eye mask for dry eyes can be applied: for a deeper level of coldness apply the PVC side on the eyes, while for a mild effect apply the soft, velvety side. ✓Effective Eye Discomfort Relief- Gel eye mask is ideal for hayfever relief, swollen and puffy eyes, sinusitis, blepharitis, headaches, tired eyes, dry eyes, migraines. This cooling eye mask can be efficiently used as treatment for styes, dark circles, eye bags, stress and it can be a great gift idea for someone you care about. The ice eye mask can be used as an under eyes patches. ✓Hot and Cold Therapy- According the Healthline website treating pain with heat and cold can be very beneficial to one's wellness. Heat therapy helps improves blood flow to the area where the heat is applied. It's best for muscle pain or stiffness. Cold therapy helps reduce inflammation. It's most helpful when used for acute discomfort and pain. The tricky part is knowing what situations calls for hot, and which calls for cold. Sometimes a single treatment will even include both.